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Estimation of Microphone Clusters in Acoustic Sensor Networks using Unsupervised Federated Learning

2021-02-05 11:21:16
Alexandru Nelus, Rene Glitza, Rainer Martin
arXiv_SD
       
Abstract

In this paper we present a privacy-aware method for estimating source-dominated microphone clusters in the context of acoustic sensor networks (ASNs). The approach is based on clustered federated learning which we adapt to unsupervised scenarios by employing a light-weight autoencoder model. The model is further optimized for training on very scarce data. In order to best harness the benefits of clustered microphone nodes in ASN applications, a method for the computation of cluster membership values is introduced. We validate the performance of the proposed approach using clustering-based measures and a network-wide classification task.

Abstract (translated)

URL

https://arxiv.org/abs/2102.03109

PDF

https://arxiv.org/pdf/2102.03109.pdf

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